The new HL syllabus covers 240 hours of lessons (including the 30 hours of "mathematical toolkit"). There is a lot of new material in the applications course - how much is new will depend, at least to some degree, which HL "options" (calculus, stats and probability, discrete etc.) teachers have experience of teaching as the majority of "new" items come from various pre-2019 syllabus HL "options". A reminder that on...